Which of the following is the subnet broadcast address for the subnet in which IP address

$172\mathrm{.}16\mathrm{.}16\mathrm{.}34/28$ resides?

a$.172\mathrm{.}16\mathrm{.}16\mathrm{.}255$

b$.172\mathrm{.}66\mathrm{.}255\mathrm{.}255$

c$.172\mathrm{.}255\mathrm{.}255\mathrm{.}255$

d$.172\mathrm{.}16\mathrm{.}16\mathrm{.}47-$ Answer

Represent $\frac{?}{25}$ in dotted decimal format.

a$.255\mathrm{.}0\mathrm{.}0\mathrm{.}0$

b$.255\mathrm{.}255\mathrm{.}255\mathrm{.}192$

c$.255\mathrm{.}255\mathrm{.}255\mathrm{.}0$

d$.255\mathrm{.}255\mathrm{.}255\mathrm{.}128-$ Answer

What valid host range is the IP address $121\mathrm{.}21\mathrm{.}21\mathrm{.}21/23$ a part of$?$

Answer: $121\mathrm{.}21\mathrm{.}20\mathrm{.}1---121\mathrm{.}21\mathrm{.}21\mathrm{.}254$

What is the last valid host on the subnetwork that the node $192\mathrm{.}166\mathrm{.}6\mathrm{.}66/26$ belongs to$?$

When calculating usable hosts per subnet, the following formula is used $2^{?}$ bits $-2.$ For what reason are

two addresses subtracted? $($Select Two$)$

a$.$ Broadcast Address